SAMPATH BODDULURI

Cell: +1-469-***-**** Email:acp8k9@r.postjobfree.com

SUMMARY:

Over 8 years of IT experience in planning, installation and administration of Oracle

WebLogic Server on UNIX, AIX, HP-UX, Solaris, Windows 2000 and Windows XP.

Handled all the aspects of Installation, Configuration, Troubleshooting, Load

Balancing, Clustering, Deploying Applications, Performance Tuning and

Maintenance of WebLogic Server versions 7.x/8.x/9.x/10.x

Extensively worked on Oracle SOA suite administration, installation, configuration,

tuning and customization.

Experience in performance tuning of Oracle SOA suite.

Experience in deployment in SOA suite, creation of Data sources, JMS destinations,

securing web services.

Involved in maintenance of production SOA instances.

Experience in setting of High Availability and clustering for Oracle SOA suite.

Proficient in Oracle Fusion Middleware SOA Administration, Java, Oracle Database 10g.

Experience in using Java/J2EE technologies like JSPs, Servlets, EJBs, JDBC, and JNDI.

WebLogic installation 3 modes - GUI, Console and Silent mode. Configuration

template’s for various environment based installations.

Deployed various WAR, JAR, EAR and J2EE applications on managed servers and in

clustered environment using Console or Scheduled -Production deployment scripts

in stage and production.

Experience in trouble shooting failed mission critical production systems under extreme

pressure conditions and time constraints.

WebLogic Administration, Monitoring and Troubleshooting using admin console and

JMX

WebServers - Apache, Tomcat, MS IIS and iPlanet configured as Clusters of servers.

Cluster Configuration – Single Cluster, Multiple Clusters and Deployment over

clusters.

Well versed with WebLogic’s HttpProxyServlet and HttpClusterServlet configurations

Expertise in analyzing Memory Leaks, JVM heap settings and tuning.

Good at Server Performance Tuning - Thread Dump Analysis, Core Dump

Analysis when Server crashed unevenly.

Extensively used WLST, Jython Script for configure various WebLogic

Components/Services.

HP SiteScope for monitoring the availability and performance of distributed IT

infrastructures, including Servers, Network devices and services, Applications and

application components, operating systems and various IT enterprise components.

Node Manager Configuration – remote managed server start and stop. SSL

communication between admin server and node manager.

Monitored the WebLogic Execute Thread Queue for the critical applications.

Customized Scripts to handle complex automation / administration using Shell scripting,

WLST.

Extensive experience with administration like WebLogic.

TECHNICAL SKILLS:

Languages : Java, PERL, C, C++

Databases : Oracle 10g/11g/12c, MS SQL Server 2000, DB2 and

MS-Access 2013.

Operating Systems : Solaris 8/10/11, AIX, Windows XP/2008/2012, UNIX, LINUX

Web Servers

/ Application Servers: WebLogic 12g/11.x/10.x/9SPx/7.x/6.x, Websphere 6.x, 7, 8.x

Apache 2.0.52/2.2, IIS 5.0 /6.0, iPlanet 4.1/6.1.5/6.1.8,

Apache Tomcat 5.0,6, 7x, JBoss 5.1, 6.x,7.1.1

J2EE Technologies : EJB, JMS, WebService, J2EE platform using MVC, JSP, Servlet,

JDBC/ODBC, JTA

Web Languages : JSP, HTML, XML, Java Script, Applet

LDAP : Iplanet 5.0/6.0, MS Active Directory Server2000/2003,

Embedded LDAP

JMS providers : WebLogic, IBM MQ Series 5.x, Sonic MQ, Tibco MQ.

Protocols : HTTP, HTTPS, FTP, SOAP, Telnet, t3, t3s, IIOP, SMTP

Scripting : Jython, Shell Scripting (Korn/Bourne/Bash), WLShell, WLST,

Ant 1.6

EDUCATION:

Bachelors of Technology in Computer Science Engineering at Osmania University, Hyderabad,

India

PROFESSIONAL EXPERIENCE:

May’2014- Till Date

Client: Crescendo Bioscience, San Francisco, CA

WebLogic Administrator/Platform Engineer

Responsibilities:

Installed WebLogic 11.x/12.x and Tomcat Servers on UNIX, Linux, Windows and

Solaris environments.

Configuring WebLogic Servers for optimal performance.

Horizontal and Vertical Clustering. Setup Node Managers and Admin Servers.

Deployed various J2EE and enterprise applications on managed servers and cluster

environment.

Maintained Load balancing, high availability and Fail over for the servers

Involved in performance tuning of JVM and used Garbage collection Algorithms for

better performance.

Monitor and managing the WebLogic server instances using WLST and also for the

automation purpose

Help developers with local Environment setup and Configuration with Web logic and

tomcat Servers.

Setup and configure Sonar with custom profile for code violation.

Prepared Non-functional requirement Documents for production support.

Environment: Tomcat7.0.x, Apache 2.2.x, WebLogic Server 12c, Hudson, Maven, Nexus,

Subversion, uDeploy, RHEL5.5, Solaris10

Jun’13 - Apr’14

Client: Open Lending, Austin, TX

Oracle WebLogic Admin

Responsibilities:

Install, configure and administer WebLogic Server 10.3.x/11g on Linux 5.x environment.

Installed RCU and creating the schema with Oracle 11g Database.

Installation, configuration and administration in Oracle SOA Suite 11.1.1.4.

Apply the fault policy files to the domains (GEMS, COUPA, and PSE) on UNIX servers.

Created and Configured Data Sources for database connectivity and JMS resources.

Perform the monthly deployments. Build and deploy the Integrations to the respective

domains and run the integrations to do the sanity checks.

Configured DB adapters and JMS adapters in SOA Suite 11g.

WebLogic administration tuning in SOA systems for optimal performance, architecture,

Service Oriented Architecture (SOA) for high availability.

Involved in monitoring error logs, troubleshooting and fixing the problems.

Monitoring application performance using Wily Introscope. Setting up the Introscope to

alert for various metrics (CPU, heap, threads).

Installed and configured Apache HTTP Server 2.2.x Web Servers in various

environments.

Monitor the Integration runs and catch the bugs in Production. Assign the bug fixes, user

stories to the development team and assist them in testing.

Installed and configured Oracle HTTP server 11g.

Involved in creating the Standard Operating Procedure (SOP) documents.

Deployed SOA Composites and WSDL files through JDev and EM console.

Monitored SOA Composite applications and health status through EM Console.

Performed 24x7 Production support for the several application across different business

areas.

Environment: WebLogic Server 10.3.x/11g, Oracle SOA Suite 11.1.1.4, JDK1.6, LDAP,

JDBC, Apache, OHS 11g, Wily 8.x, UNIX (Solaris 8/9.0/10.0, LINUX 5), Oracle 11g.

Jun’12 - Apr’13

Client: Intellicure, Woodlands, TX

Oracle WebLogic Admin

Responsibilities:

Participated in Migrating J2EE application environments from version 8.1 to

WebLogic server 10.3

Participated in Migrating J2EE application environments from version 10.3 to

WebLogic server 11g

Participation in stress testing J2EE application for hardware performance, Database

query performance and JVM behavior.

Created and maintained system documentation.

Participated in Upgrading Oracle Database 9i to 10g.

Installing and configuring SUN ONE webserver, and installing plugins.

Clustering WebLogic environments for high availability. Use of session replication,

multipools& Distributed Destinations to support the fault tolerance disaster recovery

center design

Extensive performance tuning of J2EE applications. Setting the JVM and garbage

collection parameters.

Applied patches and installed Maintenance Packs using Smart Update.

Experience in working in sophisticated SOA environment.

Automating domain build, deployment, monitoring, start/stop using Jython based WLST

scripts

Extensive deployment troubleshooting experience. Well versed with deployment cycle

and code release standards

Using Site minder web access manager for authentication and authorization at the

webserver layer.

Used JMeters a unit test tool for JDBC database connections.

Used Maven for the builds and deployed in the Development and Production

Environments

Defining application security at various levels including WebLogic, deployment

descriptors, and LDAP integration layers.

Sitescope and Wily Introscope based application monitoring.

Used JAX RS to provide support in creating web service

Using JProfiler for application profiling/Tuning purpose.

Used Sniffer for troubleshooting HTTP requests.

Involved in F5 BIG-IP load balancer administration

Troubleshooting advanced WebLogic/J2EE application issues such as JVM out of

memory, Stuck execute threads and memory leaks.

Nodemanager, startup/shutdown classes and SSL certificate configuration.

Customized shell scripts for analysis, rotation and retention of log files.

Interfaced with numerous departments and vendors during project life cycles.

Developed and documented procedures.

Implementing work managers in place of execute queues for applications.

Defining custom network channels to segregate traffic from b2b applications and

application users.

Implemented proof of concepts for JMS messaging bridge, Mercury J2EE diagnostic

probes

Production support and 24x7 on call support for middleware team

Environment: WebLogic 10.x, 11g, Apache Server 2.0, IIS 5.0, Unix/Linux, Windows2003,

Shell/Perl Scripting, Oracle10g, JMeter, MQ Series, Sniffer, SAO, SOAP, JAX RS

Sep’11- May’12

Client: Retail Capital, Troy, MI

WebLogic Administrator

Responsibilities:

Installed, Configured administered and supported WebLogic Application Servers in

Linux environments.

Implemented WebLogic patches in 10g. Also involved in SSL configuration for

WebLogic application servers.

Implemented Cloning, Clustering, Performance tuning and trouble shooting of

WebLogic server.

Involved in configuring the WebLogic load balancing utilizing WebLogic Workload

Management including horizontal scaling and vertical scaling.

Handled the maintenance of the WebLogic Application Servers on different UNIX

platforms and setting up the development and testing and staging environment for the

ongoing application development.

Performing deployments using WLST tool and also monitoring the server status.

Responsible for troubleshooting issues during deployments using the WebLogic

Application Server logs, thread dump analyzer and log analyzer.

Migrated existing applications from WebLogic 8.1 to 11g using WLpreupgrade and post

upgrade tools.

Worked on automating the tasks in environment for health check reports and status

reports using shell scripting.

Involved in trouble shooting and Performance tuning using Resource analyzer and log

analyzer.

Strong experience in Middleware Oracle WebLogic Administration and setting up

WebLogic Application Servers in the development, testing and production

environments.

Experienced in configuring Workload Management (WLM) WebLogic Application

Servers and configured Wily Introscope for performance monitoring.

Environment: WebLogic Application Server 8.1/11g, IHS/Apache Webservers, HPSM,

CSC, J2EE, UNIX, Windows 2003, ITIL, DB2, Oracle DB, Solaris 8.x/9.x/10.x, Linux,

Shell scripts, WLST.

Jun ‘10 to Aug ‘11

Client: Meeting Alliance Robbinsville, NJ

WebLogic Administrator

Responsibilities:

Installed, configured and maintained the production stable WebLogic 9.x / Tomcat 6.x

Instance Server on Physical Servers for production Environment and VMware for

stage, Dev Environment.

WebLogic Server Administration on WLS 8.1/9.2/10.x

Installation, Configuration, Administration and maintenance.

Extensive working experience in setting up WebLogic cluster environment, including

WebLogic Domains, Admin Servers, Managed Servers and Node Manager.

Configured Http Session replication in Tomcat 6.x for the assessment Tomcat instance.

Configured JDBC on Tomcat instance with the thin & thick Driver.

Compiled & installed apache for PHP with necessary Module like "libxml2, MySQL,

etc…"

Compiled & Installed open source monitoring tool called Hobbit 4.2.0 to collect the

important Metrics – Proc's count, Memory Usage, Swap usage, oracle DB session count,

Disk Usage level,etc Also configured hobbit so that it will send a page if anything goes

beyond the specified Threshold.

Thread dumps analysis using the tool samurai.

Involved in Performance tuning the Tomcat Instance for the production.

Involved in Administration of RHEL AS 3 and Windows 2000/2003 Servers.

Involved in configuring Squid Server as proxy server also for Caching Server.

Performed squid Purge in the release period.

Installed Perl Script to get the Daily Web Activity report based on the hits. Installed Perl

scripts to identify the performance of Garbage Collection. And used Python / Python

scripting for day to day activities.

Environment: Apache 2.x/ Tomcat 6.x /WebLogic / Oracle 10g MySQL 5.x / TOAD 9.x/ Hobbit

Monitoring Tool / WLS 10.x, RHEL AS 3 and Win’2003 Server.

Nov’09 - May’10

Client: Finance Store, Santa Ana, CA

WebLogic Administrator

Responsibilities:

Installed, maintained, administered and supported the middleware (WebLogic

Application Server) on UNIX and Windows platform.

Installed applications into WebLogic 8.1 environment.

Configured JDBC resources, data sources and bounded to the J2EE applications,

configured the connection pools for the data sources.

Configured the JMS Server, JMS Connection Factories, Queues, Topics, FileStore,

Database Store and Message Bridges and monitored.

Configured Webserver interfaces, Session Management, Virtual Hosts.

Performed WebLogic performance tuning, Administrative Repository tuning, JVM

optimization, Java memory tuning.

Monitored application log files, Application Server Performance, Servlet Status, Active

Sessions and DB Pool connections.

Analyzed Error and log files and diagnosing Application Server problems.

Was responsible for on-going administration of all server software

Environment: Bea WebLogic Server 8.1, Apache, Web logic portal, Oracle 8i, AIX 5.1 and Sun

Solaris 9.

Aug ‘07 – Oct ‘09

Client: Credit Agricole, India

WebLogic Administrator

Responsibilities:

Installed and configured WebLogic Server 8.1 on Sun Solaris.

Deployed WARS and EARS using WebLogic Admin Console as well as running scripts.

Focal point for project design and architecture for WebLogic Application server layout,

which includes Internet and Intranet Web Sites (VirtualHost)

Configured JDBC connection pools and data sources for the applications.

Configured JMS Connection factories and Queues for messaging applications.

Involved in monitoring and tuning performance metrics like JVM, execute threads, JDBC

connections.

Actively involved in monitoring server performance, network traffic to reduce performance

bottleneck by enhanced performance ensuring upstream queuing.

Configured the Web Server interfaces, session management, virtual hosts and transports

for BEA WebLogic Application Servers.

Create the Data Source, Connection Pool and test the Connection to connecting the DB or

Not.

Creating the User, Groups and Provide the Global Roles for that Groups or Users.

Create the Connection Pool and Data Source for Connecting the Oracle Database.

Involved in bridge calls for troubleshooting.

Provided 24x7 on call production support.

Worked closely with development team to troubleshoot ongoing issues in applications.

Created scripts to deploy applications from command line and automate log archiving.

Environment: BEA WebLogic Server 8.1 SP4, Apache HTTP Server, Sun and 9, Windows

2000/NT, Oracle 9.x, SQL Server 2000.

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